Specimen Information

*Refer to Coagulation Specimen Handling before collecting. Submit 2 × 1.0 ml frozen plasma aliquots for this test. Please specify if the patient is receiving heparin or drawn through a heparinized port. Draw blood in light blue top  tube(s). Spin down, remove plasma, spin plasma again, and place citrate platelet-poor plasma in required number of plastic vials (Glass vials cannot be accepted.) Freeze specimen at less than or equal to minus 40° C, if possible. Send specimen frozen on dry ice. Each coagulation assay requested should have its own vial.